No problem. Just so you know philz will also restore you twrp backups. When you are in the backup restore menu select options or advanced and select twrp format. It works without causing any issues so you wont need to flash between the two.

Also twrp states that their unreleased version 2.7 will handle 4.4 but dont know when it will be available.

XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality.Are you a developer?